Attachment 2 Details of Directors of Subsidiaries Remarks: = Chairman = Director = Executive Subsidiaries GGC = Global Green Chemicals Public Company Limited GC Inter = PTTGC International Private Limited GC BV = PTTGC International (Netherlands) B.V. List of the Board of Directors in Subsidiaries / Associates / Related Companies (As of 16 February 2024) Associates / Related Companies GPSC = Global Power Synergy Public Company Limited PTT = PTT Public Company Limited No. Name Surname GC Subsidiaries Associates / Related Companies GGC GC Inter GC BV GPSC PTT 1 Mr. Predee Daochai 2 Mr. Thanwa Laohasiriwong 3 Mr. Pakorn Nilprapunt 4 Professor Somkit Lertpaithoon 5 Mr. Grisada Boonrach 6 Lieutenant General Nimit Suwannarat 7 Mr. Somkiat Prajamwong 8 Mr. Patchara Anuntasilpa 9 Mr. Chadil Chavanalikikorn 10 Mr. Surachai Achalaboon 11 Police Colonel Dusadee Aryawuit 12 Mr. Petai Mudtham 13 Mr. Noppadol Pinsupa 14 Mr. Cherdchai Boonchoochauy 15 Mr. Kongkrapan Intarajang 394
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